Version bump to OPR2.170623.007

Change-Id: I9179e7bd0c41d361f3f7256b65e2e07e0ae62d47
diff --git a/core/build_id.mk b/core/build_id.mk
index 0d891db..427a943 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=OPR2.170623.006
+export BUILD_ID=OPR2.170623.007